Which of the following is a problem with thinking of your business as a funnel?

There is a larger volume of liquid in the top of the funnel than in the bottom of the funnel.

After something exits the bottom of a funnel, it no longer has any impact on the things entering the top of the furinel.

The funnel is an outdated piece of technology that has been replaced in modern times by more elegant solutions.

A funnel can't balance upright without external support.